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HD 219134 f is a Super-Earth exoplanet (a planet larger than Earth but smaller than Neptune), about 1.3 times the radius of Earth. It has an equilibrium temperature of 523 K (250°C). The planet completes one orbit around its star every 22.7 Earth days. It was discovered in 2015 using the radial velocity method. It orbits the K-type star HD 219134, located approximately 7 parsecs (21 light-years) from Earth.
2015
Discovered
7.3
Earth Masses
1.31
Earth Radii
523
Temperature (K)
Discovery Information
Discovery MethodRadial Velocity
Discovery Year2,015
Discovery FacilityMultiple Observatories
Orbital Properties
Orbital Period22.717 days
Semi-Major Axis0.1463 AU
Eccentricity0.148
Physical Properties
Mass (Jupiter)0.023 MJ
Mass (Earth)7.3 M⊕
Radius (Jupiter)0.1169 RJ
Radius (Earth)1.31 R⊕
Eq. Temperature522.6 K
Insolation Flux12.38 S⊕
Planetary Extremes
Where HD 219134 f sits on the spectrum of all known exoplanets.
Mass7.3 M⊕
FeatherweightColossus
Radius1.31 R⊕
TinyEnormous
Temperature523 K
FrozenInferno
Year Length22.7 days
LightningGlacial
Star Distance0.146 AU
ScorchedFrozen exile
Star System View
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Size Comparison
1.31x Earth's radius (0.12x Jupiter)
Orbit Comparison
Earth: 365.25 days (1 AU)HD 219134 f: 22.7 Earth days (0.146 AU)
Host Star: HD 219134
Spectral TypeK3 V
Effective Temperature4,913 K
Mass0.794 M☉
Radius0.77 R☉
Size vs Sun1.30x smaller
Luminosity0.31 L☉
Luminosity vs Sun3.2x dimmer
Metallicity [Fe/H]0.08
Distance (pc)6.5313 pc
Distance (ly)21.3 light-years
What If You Lived Here?
297.8 kg
Your weight (from 70 kg)
4.25g
Crushing
Standing upright is a struggle. Your body feels like lead.
22.7 Earth days
Year length
Orange sunrise
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